Home / 45,709.98-68,570.51-16,121.76

Finding the Fourth Proportional to 45,709.98, 68,570.51 and 16,121.76

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Solution

The fourth proportional to 45,709.98, 68,570.51 and 16,121.76 is: 24,184.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,709.98 : 68,570.51 = 16,121.76 : x
  2. Step 2: Convert to fraction form
    45,709.98/68,570.51 = 16,121.76/x
  3. Step 3: Cross multiply
    45,709.98x = 68,570.51 × 16,121.76
  4. Step 4: Simplify right side
    45,709.98x = 1,105,477,224.69
  5. Step 5: Solve for x
    x = 1,105,477,224.69/45,709.98
  6. Step 6: Final answer
    x = 24,184.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.